Hertfordshire分夜修补1 293个路灯,以降低排放量和成本,每年节省14 000英镑和8.6吨碳。
Hertfordshire is dimming 1,293 streetlights part-night to cut emissions and costs, saving £14,000 and 8.6 tonnes of carbon yearly.
Hertfordshire县议会正在将1 293个街灯从全夜照明改为半夜照明,以减少碳排放和能源成本,949个关键灯免用。
Hertfordshire County Council is converting 1,293 streetlights from full-night to part-night lighting to cut carbon emissions and energy costs, with 949 key lights exempt.
从晚上9点到晚上11点 灯灯亮了50%, 还有30%到凌晨1点, 将灯光关闭到早上5点, 然后恢复到天亮。
Part-night lighting dims lights by 50% from 9–11pm, another 30% until 1am, turns them off until 5am, then restores them until dawn.
这一变化加上LED升级,已经使能源使用减少了53%,排放量减少了77%,每年节省了880万英镑。
The change, combined with LED upgrades, has already reduced energy use by 53%, emissions by 77%, and saved £8.8 million annually.
预计新转变将节省8.6吨碳,每年14 000英镑。
The new shift is expected to save 8.6 tonnes of carbon and £14,000 yearly.